Pivotless wheel indicia display device
CA 2028700 A1 · Owner: Jacobsen, Roger V. · Inventors: Jacobsen, Roger V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An indicia display device and the processes for, forming same which is formed from a single piece of paper stock comprising a rotatable wheel element having indicia fixed thereon, a circular pocket for pivotlessly and rotatably mounting the rotatable wheel element in the circular pocket, a viewing opening through which indicia on the wheel element are selectively visible and a support, guide along the perimeter of the circular pocket which abuts and guides the rotatable wheel during rotation.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed October 29, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 29, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 29, 2012.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.